Home / 77,388.31-116,082.47-61,904.35

Finding the Fourth Proportional to 77,388.31, 116,082.47 and 61,904.35

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Solution

The fourth proportional to 77,388.31, 116,082.47 and 61,904.35 is: 92,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,388.31 : 116,082.47 = 61,904.35 : x
  2. Step 2: Convert to fraction form
    77,388.31/116,082.47 = 61,904.35/x
  3. Step 3: Cross multiply
    77,388.31x = 116,082.47 × 61,904.35
  4. Step 4: Simplify right side
    77,388.31x = 7,186,009,851.74
  5. Step 5: Solve for x
    x = 7,186,009,851.74/77,388.31
  6. Step 6: Final answer
    x = 92,856.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.